XCS7477

{
  "schema_version": 1,
  "type": "component",
  "slug": "xcs7477",
  "title": "XCS7477",
  "brief": "Si Change Analog To Digital Converters (ADC), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "data acquisition",
    "xcs7477",
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  "component": {
    "mpn": "XCS7477",
    "manufacturer": "Si Change",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603387356552572928",
    "parts": {
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      "lbr": "xcs7477.lbr"
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    "distributor_links": {
      "lcsc": "C23377955"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:22:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, which also serves as the ADC reference voltage; supply is 4 V to 5.25 V, and VDD must be set greater than or equal to the maximum VIN to avoid saturating the maximum conversion code."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Analog input signal ground and the common ground reference for all circuits; all analog and digital signals are referenced to this pin."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Single-ended analog signal input with an input range of 0 V to VDD."
      },
      {
        "number": "4",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that provides the serial clock and clocks the conversion process; the conversion ends at the 14th falling edge of SCLK."
      },
      {
        "number": "5",
        "name": "SDATA",
        "type": "tri_state",
        "description": "Serial data output that delivers the conversion result MSB first after four leading zeros, and enters tri-state after the 14th SCLK falling edge."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that both starts a conversion and frames the serial data output; if pulled high before 10 SCLK cycles, the conversion is aborted and no valid data is produced."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names were taken from the pin description table on page 2 (the pin diagram itself is; Datasheet covers only the 6-pin SOT-23 package for XCS7477, so no other package pinout was extracted"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0275,
        "at": "2026-10-17T17:22:08"
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      "datasheet": {
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        "pages": 4,
        "sha256": "5b860134610e5671",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xcs7477.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
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        "checked": "2026-10-17",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Si Change",
      "Package": "SOT-23-6",
      "Category": "Data Acquisition",
      "Pins": "6"
    },
    "characteristics": {
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      "rows": [
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          "name": "Single supply voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Integral nonlinearity (INL)",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
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        },
        {
          "name": "Differential nonlinearity (DNL)",
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          "unit": "LSB",
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        },
        {
          "name": "Maximum sampling rate",
          "symbol": "",
          "kind": "timing",
          "unit": "KSPS",
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
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        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "XCS7477 (Si Change) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}